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1、初三年级（下）【知识梳理】 I. 重点短语1. beg ones pardon2. multiply by3. slow down4. wear out 5. try on 6. make a decision, 7. a place of interest 8. make a mistake 9. drop off10. think about11. make up ones mind,12. at all, 13. at least14. by the time 15. carry on 16. never mind 17. from now on18. come down 19. han
2、ds up 20. before long，21. no one，22. notany longerII. 重要句型1. be busy doing sth.2. prefer to do sth.3. regard. as.4. be pleased with sth./sb.5. be angry with sb.III. 交际用语1. -How much does cost ?2. -It can cost as little as yuan and as much as yuan.3. -It costs .4. -Its worth .5. -I dont agree with .6
3、. -I wasnt sure whether.7. -I wonder if .8. -What size ? 9. -Have you got any other colour / size / kind? 10. -Have you got anything cheaper? 11. -How much are they?12. -How much does it cost? 13. -How much is it? 14. -Thats a bit expensive. 15. -Even though theyre a little expensive, Ill take them.
4、 16. -Ill think about . 17. -I dont think Ill take .18. -I like .19. -I dont really like .20. -Can I help you, girl? 21. -Would you like me to look in the back?22. -We can find .23. -Do you like being ?24. -Can I ask you some questions? 25. -Sure. 26. -It was great. 27. -Wow! 28. -Yeah!29. -Oh dear!
5、30. -Hands up! 31. -Ill shoot anyone who moves. 32. -Theres no need to thank me. 33. -Can you remember anything else about him? 34. -Come down, Polly!35. -There is a little traffic accident36. -Theres a big traffic jam.37. -Well, Im sure hell be here before long.38. -Im beginning to get angry with h
6、im!39.-Yes, we cant wait any longer. Lets go without him.40. -Thats terrible! 41. -Thats a really bad excuse!IV. 重要语法1. 过去将来时 2. 过去完成时3. 动词不定式4. 定语从句【名师讲解】1. think/ think/about/ think of(1) think 单独使用时表示思考， 接that 宾语从句时意为认为，觉得。I am thinking how to work out the problem. I think she is a good student.
7、当宾语从句含有否定概念时，通常形式上否定think ，但意义上却是否定宾语从句。I dont think he can come.I dont think it will be windy.(2)think about 可接一个名词，动词-ing 形式或由疑问词引导的不定式或宾语从句，意思是考虑。 I have thought about it for a long time. Please think about how to tell her the bad news. (3)think of 表示认为， 一般用于疑问句中，与what 连用。 What do you think of th
8、e TV play? = How do you like the TV play?2. big/ large/ great上述形容词都表示大，但侧重点及程度不同。(1) big指具体事物的大小，强调比正常形体的标准大，既可用在普通场合， 也可用在正式场合。它可用来指人的身材高大或长大了，还可表示伟大，重要之意。如： Can you lift up this big stone?On the last day I made a big decision.(2) large特别强调远远超过标准的大，指体积、面积、容积、数量之大。如：A whale is a large animal.A large
9、 crowd collected at the gate of the theatre.(3) great除了表示数量体积之大外，又指抽象的程度，意味着伟大性，重要性， 优越性；常用于抽象或无形的东西；用于有形的东西时，常带有伟大，大得令人吃惊等意思，含有一定的感情色彩。如：China is a great country with a long history. He was one of the greatest scientists.3. cost/ take/ spend/ pay (1) cost表示花钱，花费，付出（只能用于钱、精力、生命等；主语必须是物。）The book cos
10、t me five yuan. (2) take的主语是动词不定式, 通常用it做形式主语。It took me five yuan to buy the book. (3) spend，在主动语句中主语是人I spent five yuan on (for) the book.或I spent five yuan (in) buying the book. (4) pay的主语是人。I paid five yuan for the book. 4. expensive/ high/ cheap/ low 这四个词在谈论到价格的高低时，要注意使用。expensive与high涉及到价格高，而c
11、heap 与low涉及到价格低。(1) expensive昂贵的，花钱多的。这个单词若谈到价格高，货贵时，其主语不能是价格，必须是货物、物品本身。如： This watch is expensive. 这只表很贵。 These glass-products are not expensive. 这些玻璃制品不是很值钱。注意：cheap表示价廉，便宜的，其主语也不能是价格，必须是物品本身。如：The cheap table was bought from him. 这张便宜的桌子是他卖给我们的。This cloth doll is very cheap. 这只布娃娃很便宜。(2)high在表示价
12、格时，含义是高，low在表示价格时，含义是低，这两个词不能用于物品本身，只能用在价格上。如：The price of this watch is very high. 这只表的价格太高了。The price of this book is not low for me. 这本书的价格对我来说是不低。下面我们试看几个句子的正误对照：The price of this computer is expensive.(宜改为：This computer is expensive. 或The price of this computer is high. )The price of this pen i
13、s not cheap for him to buy.(宜改为：This pen is not cheap for him to buy. 或 The price of this pen is not low for him. )5. alone/ lonely lonely 与alone的意思比较接近，但在使用时有所区别：(1)lonely用作形容词，意思是孤单的；寂寞的。可指心灵上的寂寞，也可指偏僻的地点。在句中既可作表语，也可作定语。(2)alone 可作形容词和副词，意思是单独；独自，不指心理上寂寞的感觉。She was taken to a lonely island, lived
14、alone, but she never felt lonely.她被带到一个荒岛上，自己居住，但她从不感到寂寞。6. before long/ long before(1)before long 作“不久以后”讲，切不要按字面译为“长时间以前”或“好久以前”。如：We hope to finish our experiment before long. 我们希望不久（以后）就把实验做完。(2)long before 作很久以前讲。原意为以前很久，故也可译为老早。long before 跟before long 不同，前者在其后面可以接名词或一个从句；当上下文明确时，名词或从句还可以省略。Before long 则没有上述搭配用法。 They began the test yesterday, but we had made experiment long before. 我们昨天开始做实验，但我们在那以前很久就已经做准备了。7. as/ when/ while(1)as 是连词，意思是当的时候，一面一面，（强调同时，一般连续时间不长），如：As we were talking about Titanic, our teacher came in. 正当我们谈论泰坦尼克号这部电影时，教师进来了。The students sing as they go al
